SEARCH

SEARCH BY CITATION

References

  • Bolger TP, Pate JS, Unkovich MJ, Turner NC. 1995. Estimates of seasonal nitrogen fixation of annual subterranean clover-based pastures using the 15N natural abundance technique. Plant and Soil 175: 5766.
  • Carter EB, Theodorou MK, Morris P. 1999. Responses of Lotus corniculatus to environmental change. 2. Effect of elevated CO2, temperature and drought on tissue digestion in relation to condensed tannin and carbohydrate accumulation. Journal of the Science of Food and Agriculture 79: 14311440.
  • Chalk PM & Smith CJ. 1994. 15N isotope dilution methodology for evaluating the dynamics of biologically fixed-N in legume-non–legume associations. Biology and Fertility of Soils 17: 8084.
  • Ciavarella TA, Dove H, Leury BJ, Simpson RJ. 2000a. Diet selection by sheep grazing Phalaris aquatica L. pastures of differing water-soluble carbohydrate content. Australian Journal of Agricultural Research 51: 757764.
  • Ciavarella TA, Simpson RJ, Dove H, Leury BJ, Sims IM. 2000b. Diurnal changes in the concentration of water-soluble carbohydrates in Phalaris aquatica L. pasture in spring, and the effect of short-term shading. Australian Journal of Agricultural Research 51: 749756.
  • Dear BS, Cocks PS, Peoples MB, Swan AD, Smith AB. 1999. Nitrogen fixation by subterranean clover (Trifolium subterraneum L.) growing in pure culture and in mixtures with varying densities of lucerne (Medicago sativa L.) or phalaris (Phalaris aquatica L.). Australian Journal of Agricultural Research 50: 10471058.
  • Dove H & Milne JA. 1994. Digesta flow and rumen microbial protein production in ewes grazing perennial ryegrass. Australian Journal of Agricultural Research 45: 12291245.
  • Fischer BU, Frehner M, Hebeisen T, Zanetti S, Stadelmann F, Luscher A, Hartwig UA, Hendrey GR, Blum H, Nosberger J. 1997. Source-sink relations in Lolium perenne L. as reflected by carbohydrate concentrations in leaves and pseudo-stems during regrowth in a free air carbon dioxide enrichment (FACE) experiment. Plant, Cell & Environment 20: 945952.
  • Herridge DF, Marcellos H, Felton WL, Turner GL, Peoples MB. 1995. Chickpea increases soil-N fertility in cereal systems through nitrate sparing and N2 fixation. Soil Biology and Biochemistry 27: 545551.
  • Hight GK, Sinclair DP, Lancaster RJ. 1968. Some effects of shading and of nitrogen fertiliser on the chemical composition of freeze-dried and oven-dried herbage, and on the nutritive value of oven-dried herbage fed to sheep. New Zealand Journal of Agricultural Research 11: 286302.
  • Korner C & Miglietta F. 1994. Long term effects of naturally elevated CO2 on Mediterranean grassland and forest trees. Oecologia 99: 343351.
  • Lilley JM, Bolger TP, Gifford RM. 2001. Productivity of Trifolium subterraneum and Phalaris aquatica under warmer, high CO2 conditions. New Phytologist 150: 371383.
  • Luo Y, Field CB, Mooney HA. 1994. Predicting response of photosynthesis and root fraction to elevated [CO2] (a): interactions among carbon, nitrogen, and growth. Plant, Cell & Environment 17: 11951204.
  • Manderscheid R, Bender J, Schenk U, Weigel HJ. 1997. Response of biomass and nitrogen yield of white clover to radiation and atmospheric CO2 concentration. Environmental and Experimental Botany 38: 131143.
  • McLeod MN & Minson DJ. 1978. The accuracy of the pepsin-cellulase technique for estimating the dry matter digestibility in vitro of grasses and legumes. Animal Feed Science and Technology 3: 277287.
  • McLeod MN & Minson DJ. 1980. A note on Onozuka.3S cellulase as a replacement for Onozuka SS (P1500) cellulase when estimating forage digestibility in vitro. Animal Feed Science and Technology 5: 247250.
  • McNeill AM, Zhu CY, Fillery IRP. 1997. Use of in situ15N-labelling to estimate the total below-ground nitrogen of pasture legumes in soil-plant systems. Australian Journal of Agricultural Research 48: 295304.
  • Meier M & Fuhrer J. 1997. Effect of elevated CO2 on orchard grass and red clover grown in mixture at two levels of nitrogen or water supply. Environmental and Experimental Botany 38: 251262.
  • Murphy PM. 1986. Effect of light and atmospheric carbon dioxide concentration on nitrogen fixation by herbage legumes. Plant and Soil 95: 399409.
  • Pearson CJ, Brown R, Collins WJ, Archer KA, Petersen C, Bootle B. 1997. An Australian temperate pasture database. Australian Journal of Agricultural Research 48: 453465.
  • Peoples MB & Baldock JA. 2001. The nitrogen dynamics of pastures: nitrogen fixation inputs, theimpactoflegumesonsoilnitrogenfertility and the contributions of fixed nitrogen to Australian pastures. Australian Journal of Experimental Agriculture. (In press.)
  • Peoples MB, Gault RR, Scammell GJ, Dear BS, Virgona JM, Sandral GA, Paul J, Wolfe EC, Angus JF. 1998. The effect of pasture management on the contributions of fixed N to the N economy of ley-farming systems. Australian Journal of Agricultural Research 49: 459474.
  • Peoples MB, Herridge DF, Ladha JK. 1995. Biological nitrogen fixation: An efficient source of nitrogen for sustainable agricultural production? Plant and Soil 174: 328.
  • Peoples MB, Turner GL, Shah Z, Shah SH, Aslam M, Ali S, Maskey SL, Bhattarai S, Afandi F, Schwenke GD, Herridge DF. 1997. Evaluation of the 15N natural abundance technique to measure N2 fixation in experimental plots and farmers fields. In: RupelaOP, JohansenC, HerridgeDF, eds. Extending nitrogen fixation research to farmers’ fields. Proceedings of the international workshop on managing nitrogen fixation in the cropping systems of Asia. Hyderabad, India: AP India, ICRISAT Asia Centre, 5775.
  • Poorter H, Van Berkel Y, Baxter R, Den Hertog J, Dijkstra P, Gifford RM, Griffin KL, Roumet C, Roy J, Wong SC. 1997. The effect of elevated CO2 on the chemical composition and construction costs of leaves of 27 C3 species. Plant, Cell & Environment 20: 472482.
  • SAS. 1989. SAS/STAT User’s Guide, Version 6, Vol. 2, 4th edn. Cary, NC, USA: SAS Institute Inc.
  • Schenk U, Jager H-J, Weigel H-J. 1997a. The response of perennial ryegrass/white clover swards to elevated atmospheric CO2 concentrations. 1. Effects on competition and species composition and interaction with N supply. New Phytologist 135: 6779.
  • Schenk U, Jager H-J, Weigel H-J. 1997b. The response of perennial ryegrass/white clover swards to elevated atmospheric CO2 concentrations: effects on yield and fodder quality. Grass and Forage Science 52: 232241.
  • Shearer G & Kohl DH. 1986. N2 fixation in field settings: estimates based on 15N abundance. Australian Journal of Plant Physiology 13: 699756.
  • Smouter HE & Simpson RJ. 1989. Occurrence of fructans in the Gramineae (Poaceae). New Phytologist 111: 359568.
  • Soussana JF, Casella E, Loiseau P. 1996. Long-term effects of CO2 enrichment and temperature increase on a temperate grass sward. 2. Plant nitrogen budgets and root fraction. Plant and Soil 182: 101114.
  • Standing Committee on Agriculture. 1990. Feeding standards for Australian livestock. Ruminants. Standing Committee on Agriculture, Ruminants Subcommittee. Melbourne, Australia: CSIRO Publishing.
  • Steel RGD & Torrie JH. 1980. Principles and procedures of statistics. A biometrical approach. New York, USA: McGraw-Hill Co.
  • Unkovich MJ, Pate JS, Sanford P, Armstrong EL. 1994. Potential precision of the 15N natural abundance method in field estimates of nitrogen fixation by crop and pasture legumes in South-west Australia. Australian Journal of Agricultural Research 45: 119132.
  • Whitehead DC. 1995. Grassland nitrogen. Wallingford, UK: CAB International.
  • Wulfes R, Nyman P, Kornher A. 1999. Modelling non-structural carbohydrates in forage grasses with weather data. Agricultural Systems 61: 116.
  • Zanetti S, Hartwig UA, Luscher A, Hebeisen T, Frehner M, Fischer BU, Hendrey GR, Blum H, Nosberger J. 1996. Stimulation of symbiotic N2 fixation in Trifolium repens L. under elevated atmospheric pCO2 in a grassland ecosystem. Plant Physiology 112: 575583.
  • Zanetti S, Hartwig UA, Nosberger J. 1998. Elevated atmospheric CO2 does not affect per se the preference for symbiotic nitrogen as opposed to mineral nitrogen of Trifolium repens L. Plant, Cell & Environment 21: 623630.
  • Zanetti S, Hartwig UA, Van Kessel C, Luscher A, Hebeisen T, Frehner M, Fischer BU, Hendrey GR, Blum H, Nosberger J. 1997. Does nitrogen nutrition restrict the CO2 response of fertile grassland lacking legumes? Oecologia 112: 1725.